Dactuliothrips

Pereyra, Veronica & Borbón, Carlos Manuel De, 2013, The American genus Dactuliothrips (Thysanoptera: Aeolothripidae) with three new species, Zootaxa 3734 (1), pp. 1-14 : 3

Key to Dactuliothrips species

1. Antennae dark, except pedicel of segment III pale ( Fig. 14 ).................................................... 2

- Antennae not uniformly dark, segment III pale ( Figs 12, 13, 15–18 ).............................................. 4

2. Spurs on inner margin of fore femur, when present, long and slender, usually 2–5 in number; metanotum with two pairs of setae ( Fig. 37 )..................................................................... .. diversus Bailey ( USA)

- Spurs on inner margin of fore femur short broad, 3–9 in number; metanotum with one pair of setae ( Figs 38–43 ).......... 3

3. Fore tibia on inner side with two large and distinct claws bearing short setae ( Fig. 75 ); outer postocular setae shorter than dis- tance between bases of eyes ( Fig. 24 )................................................... malloi Tapia ( Argentina)

- Fore tibia on inner side without claws; outer postocular setae longer than distance between bases of eyes.................................................................................................... boharti Bailey ( USA)

4. Pronotum with about 3 pairs of well-developed discal setae ( Fig. 36 ).......................... xerophilus Bailey ( USA)

- Pronotum with 5–7 pairs of discal setae ( Figs 29–35 )......................................................... 5

5. Antennal segments III & IV each with one elongate sensorium ( Figs 19–20 )...................... ephedra sp.n. ( USA)

- Antennal segments III & IV with oval-to-circular sensorium.................................................... 6

6. Fore wing completely shaded light brown; antennal segment III equal to or shorter than segment IV ( Fig. 17 ).............................................................................................. spinosus Moulton ( USA)

- Fore wing light brown but pale at base ( Figs 78–79, 81 ); antennal segment III longer than segment IV ( Figs 15, 16 )....... 7

7. Head with microtrichia ( Figs 22–23 ); antennal segment III (and sometimes base of IV) pale ( Fig. 13 ); male abdominal tergite I with paired longitudinal ridges not reaching anterior margin ( Fig. 56 )..................... kasazabi Pelikán ( Argentina)

- Head without microtrichia ( Figs 25–26 ); antennal segment III & IV pale ( Fig. 15 ); male abdominal tergite I with paired longi- tudinal ridges reaching anterior margin ( Figs 57–58 ).......................................................... 8

8. Mesonotum and metanotum with microtrichia ( Fig. 40 ); inner apex of fore tibia in males with a claw bearing short setae ( Fig. 74 )............................................................................. monttea sp.n. ( Argentina)

- Mesonotum and metanotum without microtrichia ( Fig. 41 ); inner apex of fore tibia in males without such claws ( Fig. 67 ).................................................................................... prosopis sp.n. ( Argentina)

Figures

FIGURES 12 – 28. Dactuliothrips female antenna: (12) D. ephedra sp. n.; (13) D. kaszabi; (14) D. malloi; (15) D. monttea sp. n.; (16) D. prosopis sp. n.; (17) D. spinosus; (18) D. xerophylus. D. ephedra sp. n. antennal segment III – IV sensoria: (19) female; (20) male. Dactuliothrips female head: (21) D. ephedra sp. n.; (22) D. kaszabi; (23) D. kaszabi head microtrichia; (24) D. malloi; (25) D. monttea sp. n.; (26) D. prosopis sp. n.; (27) D. spinosus; (28) D. xerophylus.

FIGURES 37 – 48. Dactuliothrips female mesonotum and metanotum: (37) D. diversus; (38) D. ephedra sp. n.; (39) D. kaszabi; (40) D. monttea sp. n.; (41) D. prosopis sp. n.; (42) D. spinosus; (43) D. xerophylus. Dactuliothrips female abdominal sternites III – VI: (44) D. ephedra sp. n.; (45) D. kaszabi; (46) D. malloi; (47) D. monttea sp. n.; (48) D. prosopis sp. n.

FIGURES 63 – 81. Dactuliothrips fore legs: (63) D. kaszabi female; (64) D. monttea sp. n. female; (65) D. monttea sp. n. male; (66) D. prosopis sp. n. female; (67) D. prosopis sp. n. male. Dactuliothrips fore tibia and fore femur spurs: (68) D. kaszabi male; (69) D. prosopis sp. n. male; (70) D. spinosus female; (71) D. xerophylus female; (72) D. ephedra sp. n female; (73) D. ephedra sp. n male. Dactuliothrips fore tibia claw: (74) D. monttea sp. n. male; (75) D. malloi female. Male fore femur spurs: (76) D. monttea sp. n.. Dactuliothrips fore wing: (77) D. ephedra sp. n male; (78) D. kaszabi male; (79) D. monttea sp. n. female; (80) D. xerophylus female; (81) D. prosopis sp. n. female.

FIGURES 29 – 36. Dactuliothrips pronotum: (29) D. boharti female; (30) D. ephedra sp. n. female; (31) D. kaszabi male; (32) D. malloi female; (33) D. monttea sp. n. female; (34) D. prosopis sp. n. female; (35) D. spinosus female; (36) D. xerophylus female.

FIGURES 49 – 62. Dactuliothrips female abdominal sternite VII: (49) D. ephedra sp. n.; (50) D. malloi; (51) D. kaszabi; (52) D. monttea sp. n.; (53) D. prosopis sp. n.; (54) D. xerophylus. Male abdominal tergite I: (55) D. ephedra sp. n.; (56) D. kaszabi; (57) D. monttea sp. n.; (58) D. prosopis sp. n. Male abdominal sternites II – VI: (59) D. ephedra sp. n.; (60) D. kaszabi; (61) D. monttea sp. n.; (62) D. prosopis sp. n.